iStick XC100 Box Mod is powered by intelligent Avatar Chip 2.0 for upgradeable firmware and wattage recommendation and supports single external 18650/21700 battery with 100W max and Type-C charging. Featuring innovative multifunctional button that combines press and twist actions, it give you full control of your device. You can switch between power and RTA mode to customize your vaping. There are 4 UI themes to refresh your everyday style: Racer/Pulse/Bubbles/Aurora. The 1.05” inch TFT screen can show you all the vaping info clearly. It is also designed with a lock slider to avoid accidental activation and multiple protections to ensure safe use. It is compatible with Melo X Tank.